一条直线有______条平行线;过直线外一点可以画______条已知直线的垂线.
由分析可知:一条直线有无数条平行线;过直线外一点可以画一条已知直线的垂线;
故答案为:无数,一.
—Is Sandy ______ at volleyball?
—Yes. And she can also play tennis ______.[ ]
A. good; good
B. well; well
C. well; good
D. good; well
气血两虚型产后腹痛的临床症状有
A.恶露质稠色暗
B.面色苍白,头晕眼花
C.小腹疼痛拒按
D.小腹隐痛喜揉按
E.恶露质稀色淡